118 	struct ism_eq *ieq;  in register_ieq()  local
120 	ieq = dma_alloc_coherent(&ism->pdev->dev, PAGE_SIZE, &dma_handle,  in register_ieq()
122 	if (!ieq)  in register_ieq()
128 	cmd.request.ieq = dma_handle;  in register_ieq()
129 	cmd.request.len = sizeof(*ieq);  in register_ieq()
132 		dma_free_coherent(&ism->pdev->dev, PAGE_SIZE, ieq, dma_handle);  in register_ieq()
136 	ism->ieq = ieq;  in register_ieq()
167 	if (!ism->ieq)  in unregister_ieq()
175 			  ism->ieq, ism->ieq_dma_addr);  in unregister_ieq()
177 	ism->ieq = NULL;  in unregister_ieq()
432 	while ((ism->ieq_idx + 1) != READ_ONCE(ism->ieq->header.idx)) {  in ism_handle_event()
433 		if (++(ism->ieq_idx) == ARRAY_SIZE(ism->ieq->entry))  in ism_handle_event()
436 		entry = &ism->ieq->entry[ism->ieq_idx];  in ism_handle_event()